40349920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1$

素因数の和:1068

約数の個数: 96

約数和(自身を含む): 108168480

約数和(自身を除く): 67818560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1021, 1040, 1235, 1520, 1976, 2042, 2080, 2470, 3040, 3952, 4084, 4940, 5105, 7904, 8168, 9880, 10210, 13273, 16336, 19399, 19760, 20420, 26546, 32672, 38798, 39520, 40840, 53092, 66365, 77596, 81680, 96995, 106184, 132730, 155192, 163360, 193990, 212368, 252187, 265460, 310384, 387980, 424736, 504374, 530920, 620768, 775960, 1008748, 1061840, 1260935, 1551920, 2017496, 2123680, 2521870, 3103840, 4034992, 5043740, 8069984, 10087480, 20174960, 40349920]

約数ペア:

[(1, 40349920), (2, 20174960), (4, 10087480), (5, 8069984), (8, 5043740), (10, 4034992), (13, 3103840), (16, 2521870), (19, 2123680), (20, 2017496), (26, 1551920), (32, 1260935), (38, 1061840), (40, 1008748), (52, 775960), (65, 620768), (76, 530920), (80, 504374), (95, 424736), (104, 387980), (130, 310384), (152, 265460), (160, 252187), (190, 212368), (208, 193990), (247, 163360), (260, 155192), (304, 132730), (380, 106184), (416, 96995), (494, 81680), (520, 77596), (608, 66365), (760, 53092), (988, 40840), (1021, 39520), (1040, 38798), (1235, 32672), (1520, 26546), (1976, 20420), (2042, 19760), (2080, 19399), (2470, 16336), (3040, 13273), (3952, 10210), (4084, 9880), (4940, 8168), (5105, 7904)]